<template>
  <div class="app-container">
    <!--查询表单-->
    <div class="search-div">
      <el-form label-width="70px" size="small">
        <el-row>
          <el-col :span="24">
            <el-form-item label="角色名称">
              <el-input style="width: 100%" v-model="searchObj.roleName" placeholder="角色名称"></el-input>
            </el-form-item>
          </el-col>
        </el-row>
        <el-row style="display:flex">
          <el-button type="primary" icon="el-icon-search" size="mini" :loading="loading" @click="fetchData()">搜索
          </el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetData">重置</el-button>
          <el-button type="success" icon="el-icon-plus" size="mini" @click="add">添 加</el-button>
          <el-button class="btn-add" size="mini" @click="batchRemove()">批量删除</el-button>
        </el-row>
      </el-form>
    </div>
    <!-- 表格 -->
    <el-table
      v-loading="listLoading"
      :data="list"
      stripe
      border
      style="width: 100%;margin-top: 10px;"
      @selection-change="handleSelectionChange">
      <el-table-column type="selection"/>
      <el-table-column
        label="序号"
        width="70"
        align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="roleName" label="角色名称"/>
      <el-table-column prop="roleCode" label="角色编码"/>
      <el-table-column prop="createTime" label="创建时间" width="160"/>
      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <el-button type="primary" icon="el-icon-edit" size="mini" @click="edit(scope.row.id)" title="修改"/>
          <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeDataById(scope.row.id)"
                     title="删除"/>
          <el-button type="warning" icon="el-icon-baseball" size="mini" @click="showAssignAuth(scope.row)"
                     title="分配权限"/>
        </template>
      </el-table-column>
      <!-- 分页组件 -->
    </el-table>
    <el-dialog title="添加/修改" :visible.sync="dialogVisible" width="40%">
      <el-form ref="dataForm" :model="sysRole" label-width="150px" size="small" style="padding-right: 40px;">
        <el-form-item label="角色名称">
          <el-input v-model="sysRole.roleName"/>
        </el-form-item>
        <el-form-item label="角色编码">
          <el-input v-model="sysRole.roleCode"/>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false" size="small" icon="el-icon-refresh-right">取 消</el-button>
        <el-button type="primary" icon="el-icon-check" @click="saveOrUpdate()" size="small">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分页组件 -->
    <el-pagination
      :current-page="page"
      :total="total"
      :page-size="limit"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="fetchData"
    />
  </div>
</template>
<script>
import api from '@/api/system/sysRole'
import ca from "element-ui/src/locale/lang/ca";

export default {
  // 定义数据模型
  data() {
    return {
      list: [], // 列表
      total: 0, // 总记录数
      page: 1, // 页码
      limit: 5, // 每页记录数
      searchObj: {}, // 查询条件
      loading: false, // 是否正在加载
      listLoading: false,
      multipleSelection: [],// 批量删除选中的记录列表

      dialogVisible: false,
      sysRole: {},
      saveBtnDisabled: false
    }
  },
  // 页面渲染成功后获取数据
  created() {
    this.fetchData()
  },
  // 定义方法
  methods: {
    fetchData(current = 1) {
      this.loading = true
      this.page = current
      // 调用api
      api.getPageList(this.page, this.limit, this.searchObj).then(response => {
        this.list = response.data.records
        this.total = response.data.total
        this.loading = false
      })
    },
    // 重置表单
    resetData() {
      this.searchObj = {}
      this.fetchData()
    },
    // 根据id删除数据
    async removeDataById(id) {
      try {
        await this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        });

        const response = await api.removeById(id); // 远程调用ajax
        await this.fetchData(this.page); // 刷新数据
        this.$message.success(response.message || '删除成功');
      } catch (err) {
        // 处理错误情况
        this.$message.error(err.message || '删除失败');
      }
    },
    add() {
      this.dialogVisible = true
    },
    saveOrUpdate() {
      this.saveBtnDisabled = true // 防止表单重复提交
      if (!this.sysRole.id) {
        this.saveData()
      } else {
        this.updateData()
      }
    },
    // 新增
    saveData() {
      api.save(this.sysRole).then(response => {
        this.$message.success(response.message || '操作成功')
        this.dialogVisible = false
        this.fetchData(this.page)
      })
    },
    edit(id) {
      this.dialogVisible = true
      this.fetchDataById(id)
    },
    fetchDataById(id) {
      api.getById(id).then(response => {
        this.sysRole = response.data
      })
    },
    async updateData() {
      try {
        const res = await api.updateById(this.sysRole);
        if (res.code === 200) {
          this.$message.success(res.message || '操作成功')
          this.dialogVisible = false
          this.fetchData(this.page)
        }
      } catch (err) {
        this.$message.error(err.message || '操作失败')
      }
    },
    // 批量删除
    // 当多选选项发生变化的时候调用
    handleSelectionChange(selection) {
      console.log(selection)
      this.multipleSelection = selection
    },
    // 批量删除
    async batchRemove() {
      if (this.multipleSelection.length === 0) {
        this.$message.warning('请选择要删除的记录！');
        return;
      }
      try {
        await this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        });
        // 获取 id 列表
        const idList = this.multipleSelection.map(item => item.id);
        // 调用 API
        const response = await api.batchRemove(idList);
        await this.fetchData(); // 刷新数据
        this.$message.success(response.message);
      } catch (err) {
        // 处理错误或取消操作的情况
        this.$message.error(err.message || '操作失败');
      }
    },
    showAssignAuth(row) {
      console.log("分配权限", row);
      const url = '/system/assignAuth?id=' + row.id + '&roleName=' + row.roleName
      console.log("此时的url", url)
      this.$router.push(url);
    }
  }
}
</script>
